Home / 13,983.21-19,297.23-7,610.21

Finding the Fourth Proportional to 13,983.21, 19,297.23 and 7,610.21

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Solution

The fourth proportional to 13,983.21, 19,297.23 and 7,610.21 is: 10,502.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.21 : 19,297.23 = 7,610.21 : x
  2. Step 2: Convert to fraction form
    13,983.21/19,297.23 = 7,610.21/x
  3. Step 3: Cross multiply
    13,983.21x = 19,297.23 × 7,610.21
  4. Step 4: Simplify right side
    13,983.21x = 146,855,948.60
  5. Step 5: Solve for x
    x = 146,855,948.60/13,983.21
  6. Step 6: Final answer
    x = 10,502.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.